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FIIG:  A508R0

Entry Date:  Apr-01-1974

Concept:  1

Status:  A

Applicability:  

Type:  0

Definition:  A panel which is specifically designed to provide one or more kinds of protection for any or all equipment used in an electrical system. Protection provided may be such as differential current protection, reverse phase sequence connection protection, over-excitation protection, under-speed protection, over-voltage protection, fault protection, under-voltage protection, surge protection, and the like. May control the generator(s) operation. Incorporates into a single item the system protection formerly placed at various points in the electrical system. For panels designed for the protection of power line feeders only, see PANEL,POWER DISTRIBUTION and PANEL, FUSE. For items designed to transfer the load from one power source to an alternate power source, see SWITCHING UNIT, POWER TRANSFER.

Basic INC:  70203

Basic Name:  PANEL

Description:  1. A single flat-surfaced item upon which are mounted such items as switches, variable resistors, relays, meters, circuit breakers, fuses, jacks, and the like, and may be used to perform functions such as control, protection, measuring, and switching. It may or may not have associated framework and/or inclosure. Do not use if all of the items mounted thereon have the same basic name or for items for which a more specific name can be found in this index. 2. An item essentially flat in shape, which may be designed by size, shape, and thickness to have mounted upon it such electrical items as switches, variable resistors, relays, meters, circuit breakers, fuses, jacks, and the like. It may have holes drilled or cut in it to accommodate items, but will have no items mounted on it except bracket(s) or other facilities for its own mounting or support.